/// <summary>
        /// Returns a value that indicates whether the user has been confirmed.
        /// </summary>
        /// <param name="userName">The user name.</param>
        /// <returns><c>true</c> if the user is confirmed; otherwise, <c>false</c>.</returns>
        public static bool IsConfirmed(string userName)
        {
            MySqlSimpleMembershipProvider provider = VerifyProvider();

            Debug.Assert(provider != null);             // VerifyProvider checks this

            return(provider.IsConfirmed(userName));
        }